CN210756594U - Vertical machining clamp for vertical shock absorber seat - Google Patents

Abstract

The vertical shock absorber seat vertical processing fixture includes a bottom plate, and a primary processing fixture and a secondary processing fixture are arranged on the bottom plate; the primary processing fixture includes a front support frame and a rear support frame on the bottom plate, and a front support frame is set in the middle of the top of the front support frame. There are bumps, the left and right side walls of the bumps are respectively installed with horizontal top wires that move left and right, the first oil cylinders are arranged oppositely on both sides of the top of the front support frame, and the vertical stop iron is arranged on the base behind the rear support frame. A second oil cylinder pointing to the iron block is arranged between the front support frame and the rear support frame; the secondary processing fixture includes a horizontal positioning table arranged on the bottom plate and two vertical positioning pins arranged on the top surface of the horizontal positioning table. The left and right sides and the rear side of the positioning table are respectively provided with pressing arms that move up and down. It can make the positioning and clamping operation of the vertical shock absorber seat simple, save time and effort, and improve the processing efficiency; and can clamp the vertical shock absorber seat firmly, improve the machining accuracy of the vertical shock absorber seat, and improve the processing efficiency. Rate of qualified products.

Description

Vertical shock absorber seat vertical machining fixture

technical field

The utility model relates to a vertical shock absorber seat in a motor vehicle bogie, in particular to a vertical machining fixture for the vertical shock absorber seat.

Background technique

The vertical shock absorber seat is an important part of the motor car bogie. During the processing of the vertical shock absorber seat, the vertical shock absorber seat needs to be clamped and fixed on the CNC machine tool operating platform. The traditional way of clamping and fixing the vertical shock absorber seat is: first determine the reference line of the vertical shock absorber seat by manually scribing and correct it, and then use the equal height pad to support the vertical shock absorber seat on the CNC machine tool. Finally, tighten the bolts on the CNC machine tool operation table, and clamp the vertical shock absorber seat with the pressure plate connected with the bolts. The traditional vertical shock absorber seat positioning and clamping operations are complicated, time-consuming and laborious, and the processing efficiency is low; and the clamping structure of the vertical shock absorber seat is not strong by tightening the bolts, resulting in the vertical shock absorber. The seat processing is not accurate, and the product qualification rate is low.

SUMMARY OF THE INVENTION

In order to solve the above technical problems, the utility model provides a vertical processing fixture for the vertical shock absorber seat, which can make the positioning and clamping operations of the vertical shock absorber seat simple, save time and effort, and improve the processing efficiency; Firmly clamp the vertical shock absorber seat to improve the machining accuracy of the vertical shock absorber seat and improve the product qualification rate.

The technical solution of the present utility model is:

A vertical processing fixture for a vertical shock absorber seat, including a bottom plate, and its special features are: a primary processing fixture and a secondary processing fixture are arranged on the bottom plate; the primary processing fixture includes a front support frame arranged on the bottom plate and having the same height And the rear support frame, a bump is arranged in the middle of the top of the front support frame, the lateral top screws that move left and right are installed on the left and right side walls of the bump respectively through threads, and a first oil cylinder and two first oil cylinders are arranged on both sides of the top of the front support frame. The piston rods are arranged relative to each other, a vertical block iron is arranged on the base behind the rear support frame, and a second oil cylinder is arranged on the base between the front support frame and the rear support frame, and the piston rod of the second oil cylinder points to the iron block; The secondary processing fixture includes a horizontal positioning table arranged on the bottom plate, two vertical positioning pins are arranged on the top surface of the horizontal positioning table, and pressing arms that move up and down are respectively arranged on the left and right sides and the rear side of the horizontal positioning table.

Further preferably, a bayonet is provided at the top end of the rear support frame, and the rear end of the vertical shock absorber seat is clamped in the bayonet when the front face of the vertical shock absorber seat is processed.

Further preferably, the top end of the front support frame is located between the convex block and the first oil cylinder, and the vertical jacking wire is threadedly installed, and the vertical jacking wire is adjusted so that the top end is the same height as the bottom edge of the bayonet of the rear support frame.

Further preferably, a lock nut is installed on the lateral top screw, and the lock nut is fastened to fix the lateral top screw to prevent the lateral top screw from loosening.

Further preferably, a forward-pointing ejector rod is arranged on the top of the stopper, and the piston rod of the second oil cylinder presses the vertical shock absorber seat against the front end of the ejector rod when the front side of the vertical shock absorber seat is processed.

Further preferably, vertically arranged third oil cylinders are arranged on the left and right sides and the rear side of the horizontal positioning table, and the cylinder body of the third oil cylinder is connected to a hinged connecting rod on the side of the horizontal positioning table, and the tail end of the pressing arm is connected to the third oil cylinder The piston rod is hinged, and the middle part of the pressing arm is hinged with the free end of the connecting rod.

The beneficial effects of the present utility model are:

1. When the vertical shock absorber seat is clamped on the front, first place the front end of the vertical shock absorber seat on the front support frame, and seat the rear end of the vertical shock absorber seat on the rear support frame for horizontal positioning; Then start the piston rods of the two first oil cylinders synchronously, clamp the left and right sides of the vertical shock absorber synchronously, and push the two lateral top wires against the inner walls of the left and right sides of the front end of the vertical shock absorber seat to carry out the left and right Positioning and clamping; start the second oil cylinder again, push the vertical shock absorber seat back against the front end surface of the vertical block iron, and perform front and rear positioning and clamping; the front positioning and clamping operation of the vertical shock absorber seat is simple , saves time and effort, and has high processing efficiency; and the clamping structure of the first oil cylinder and the second oil cylinder clamping the vertical shock absorber seat is firm, the vertical shock absorber seat is processed accurately, and the product qualification rate is high.

2. When the vertical shock absorber seat is clamped on the reverse side, firstly place the vertical shock absorber seat upside down on the top surface of the horizontal positioning platform, so that the bottom surface of the vertical shock absorber seat arranged upwards is in a horizontal state, and the horizontal shock absorber seat is placed horizontally. At the same time, make the two vertical positioning pins pass through the two corresponding mounting holes on the vertical shock absorber base to position the front, rear, left and right; then start the third oil cylinder to press down the free ends of the three pressure arms, and The shock absorber seat is fastened and pressed on the horizontal positioning table; the reverse positioning and clamping operation of the vertical shock absorber seat is simple, time-saving and labor-saving, and the processing efficiency is high; and the vertical shock absorber seat is clamped by three pressing arms The clamping structure is firm, the vertical shock absorber seat is processed accurately, and the product qualification rate is high.

Description of drawings

Fig. 1 is the structural representation of the present utility model;

2 is a schematic diagram of the clamping structure of the present utility model and a vertical shock absorber seat;

In the picture: 1- bottom plate, 2- front support frame, 3- rear support frame, 4- bump, 5- horizontal top wire, 6- lock nut, 7- first oil cylinder, 8- vertical top wire, 9- Bayonet, 10-vertical stopper, 11-ejector rod, 12-second oil cylinder, 13-horizontal positioning table, 14-vertical positioning pin, 15-third oil cylinder, 16-pressing arm, 17-connecting rod.

Detailed ways

As shown in FIG. 1 , the vertical processing fixture for the vertical shock absorber seat includes a base plate 1 on which a primary processing fixture and a secondary processing fixture are installed; the primary processing fixture includes a front support frame installed on the base plate 1 2 and the rear support frame 3, a bump 4 is provided in the middle of the top end of the front support frame 2, and the lateral top screw 5 that moves left and right is installed on the left and right side walls of the bump 4 respectively through the thread, and a lock nut is installed on the lateral top screw 5 6. Install the first oil cylinder 7 on both sides of the top end of the front support frame 2, the piston rods of the two first oil cylinders 7 are arranged opposite to each other, and the top end of the front support frame 2 is located between the bump 4 and the first oil cylinder 7 through the thread to install vertically. The top wire 8 is provided with a bayonet 9 at the top of the rear support frame 3, and the bottom edge of the bayonet 9 is at the same height as the top of the vertical top wire 8, and a vertical block iron 10 is installed on the base behind the back support frame 3, The top of the stopper is installed with a front rod 11, and a second oil cylinder 12 is installed on the base between the front support frame 2 and the rear support frame 3, and the piston rod of the second oil cylinder 12 points to the top rod 11; the The secondary processing fixture includes a horizontal positioning table 13 installed on the base plate 1, two vertical positioning pins 14 are arranged on the top surface of the horizontal positioning table 13, The third oil cylinder 15 is hinged on the top of the piston rod of the third oil cylinder 15 through the pin shaft to the pressing arm 16 , the pressing arm 16 points to the horizontal positioning table 13 and passes between the middle of the pressing arm 16 and the cylinder of the third oil cylinder 15 The pin is connected to the connecting rod 17 .

As shown in Figure 2, when the vertical shock absorber seat is clamped at the front, the front end of the vertical shock absorber seat is first seated on the vertical top wire 8 of the front support frame 2, and the rear end of the vertical shock absorber seat is seated first. It is seated in the bayonet 9 on the rear support frame 3 for horizontal positioning; then the piston rods of the two first oil cylinders 7 are activated synchronously, the left and right sides of the vertical shock absorber seat are synchronously clamped, and the two lateral tops are synchronously clamped. The wire 5 is pressed against the inner walls of the left and right sides of the front end of the vertical shock absorber seat, and the lock nut 6 is fastened to perform left and right positioning and clamping; then start the second oil cylinder 12, and push the vertical shock absorber seat back against the The front end face of the ejector rod 11 on the vertical block iron 10 is positioned and clamped forward and backward; finally, the CNC machine tool is started to process the front face of the vertical shock absorber seat arranged upward.

When the vertical shock absorber seat is clamped on the reverse side, firstly place the vertical shock absorber seat upside down on the top surface of the horizontal positioning platform, so that the bottom surface of the vertical shock absorber seat arranged upward is in a horizontal state, and then perform horizontal positioning. At the same time, make the two vertical positioning pins 14 pass through the two corresponding mounting holes on the vertical shock absorber seat to perform front and rear positioning and left and right positioning; then start the third oil cylinder 15 to press down the free ends of the three pressing arms 16 , fasten and hold the vertical shock absorber seat on the horizontal positioning table 13; finally, start the CNC machine tool to process the bottom surface of the vertical shock absorber seat arranged upward.

The above are only specific embodiments of the present utility model, and are not intended to limit the present utility model. For those skilled in the art, the present utility model may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (6)

1. Vertical shock absorber seat vertical processing fixture, comprising a base plate, characterized in that: a primary processing fixture and a secondary processing fixture are arranged on the base plate; the primary processing fixture includes a front support frame that is arranged on the base plate and has an equal height And the rear support frame, a bump is arranged in the middle of the top of the front support frame, the lateral top screws that move left and right are installed on the left and right side walls of the bump respectively through threads, and a first oil cylinder and two first oil cylinders are arranged on both sides of the top of the front support frame. The piston rods are arranged relative to each other, a vertical block iron is arranged on the base behind the rear support frame, and a second oil cylinder is arranged on the base between the front support frame and the rear support frame, and the piston rod of the second oil cylinder points to the iron block; The secondary processing fixture includes a horizontal positioning table arranged on the bottom plate, two vertical positioning pins are arranged on the top surface of the horizontal positioning table, and pressing arms that move up and down are respectively arranged on the left and right sides and the rear side of the horizontal positioning table. 2 . The vertical processing fixture for the vertical shock absorber seat according to claim 1 , wherein a bayonet is provided at the top of the rear support frame. 3 . 3 . The vertical machining fixture for the vertical shock absorber seat according to claim 1 , wherein the top end of the front support frame is located between the convex block and the first oil cylinder, and the vertical top wire is installed by thread. 4 . 4 . The vertical machining fixture for the vertical shock absorber seat according to claim 1 , wherein a lock nut is installed on the lateral top wire. 5 . 5 . The vertical machining fixture for a vertical shock absorber seat according to claim 1 , wherein a front-pointing ejector rod is arranged on the top of the block iron. 6 . 6 . The vertical machining fixture for the vertical shock absorber seat according to claim 1 , wherein a third oil cylinder arranged vertically is arranged on the left and right sides and the rear side of the horizontal positioning table respectively, and the cylinder of the third oil cylinder is A connecting rod is hinged on the body near the side of the horizontal positioning table, the tail end of the pressing arm is hinged with the piston rod of the third oil cylinder, and the middle part of the pressing arm is hinged with the free end of the connecting rod.

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